the fuel consumtion of my vw jetta iii is high and the smoke that comes is black

1997 VOLKSWAGEN JETTA
345,672 MILES
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JOE YANKS
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the smoke that comes out from the exhult is black and oilly
Apr 5, 2012 at 4:55 PM
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FIXITMR
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any codes in computer? sounds like your running rich.
Apr 5, 2012 at 5:04 PM